101 tips to exploit your sexual knowledge to power up your magic! +1 MATK per Lewd Knowledge. +1 Lewdness.
Source: Clerk (Trademond bookstore)
Reading Requirements: Lewd Knowledge ≥2
Base reading time: 1
Erotic: yes
As this is a lewd book, reading it is unaffected by the various Perversion passives that affect book reading, and reading counts as a lewd scene for purposes such as resetting Womb of Lust.